Cantilever Retaining Wall Designer — IS 456 (Static-only)Cantilever Retaining Wall Designer — IS 456 (Static-only)Preliminary checks (static Rankine Ka). Per-metre results. Not a substitute for geotechnical/structural sign-off.1) GeometryStemHeight (m)Thickness at Top (m)Thickness at Base (m)FootingThickness (m)Toe Length (m)Heel Length (m)2) Materials & Reinforcement Concrete grade fck (MPa) M20M25M30M35M40 Steel grade fy (MPa) Fe500Fe550 Unit weight of concrete (kN/m³)Clear cover (mm)3) Soil & LoadsBackfill unit weight (kN/m³)Angle of internal friction (°)Surcharge (kN/m²)Safe Bearing Capacity (SBC) (kN/m²)4) Options & AdvancedBase friction coefficient (μ) Main Bar Dia (default) 8101216202532 mm Water table No waterSpecify water depthWater to top of wallIf 'Specify water depth' selected a field appears below. Water depth from ground at heel (m) Two-layer reinforcement? Auto (recommend)Force 2 layersForce single layer Auto will switch to two layers if spacing congested or H > 1.8 m.Run DesignNotes: Static Rankine Ka only. Per-metre results. Preliminary tool — not a substitute for geotechnical/structural sign-off. Check units before using results.Design Assumptions & LimitationsSummaryChecksDetailed CalculationsRun the design